نتایج جستجو برای: urban traffic area

تعداد نتایج: 812724  

2015
Mateus Habermann Monica Billger Marie Haeger-Eugensson

In the past 20 years, considerable progress has been made to improve urban air quality in the EU. However, road traffic still contributes considerably to the deterioration of urban air quality to below standards, which requires a method to measure properly and model pollution levels resulting from road traffic. In order to visualize the geographical distribution of pollution concentration reali...

Journal: :Environmental science & technology 2007
Yuval Yael Dubowski David M Broday

In many urban areas throughout the world, the rising mean and peak levels of nitrogen oxides (NOx) are a concern. Road traffic and local industry are usually the major NOx sources in urban environments, buttheir relative contributions to the spatial distribution of the NOx volumetric mixing ratio is normally unknown. This missing piece of information is required for designing effective abatemen...

2014
Jingyuan Wang Fei Gao Peng Cui Chao Li Zhang Xiong

The traffic networks reflect the pulse and structure of a city and shows some dynamic characteristic. Previous research in mining structure from networks mostly focus on static networks and fail to exploit the temporal patterns. In this paper, we aim to solve the problem of discovering the urban spatio-temporal structure from time-evolving traffic networks. We model the time-evolving traffic ne...

2013
Dr. Harish

The study is of great importance at present due to the bad state of traffic management in Mysore. In the past decade, although there have been technological improvements in almost all fields, the state of traffic management technologies is still at a primitive level. A clear framework for traffic operations is necessary towards traffic delays, congestion, and parking and management functions. T...

Journal: :جغرافیا و توسعه فضای شهری 0
براتعلی خاکپور زینب فاریابی

one of the main challenges facing urban planning in the late 20th century is the growth rate of traffic that influences access to sustainable urban development. one of the solutions proposed for traffic—as well as the economic, social, and environmental problems originating from it—in large cities has been the applying of traffic restrictions during certain times and in specific places in order...

2017
Jialin Wen Min Zou

It has been referred in document issued by the State Council recently that China will promote the block system gradually in the future, no more enclosed residential compounds will be built in principle, and existing residential and corporate will open up step by step as well. The proposal of open area quickly aroused a heated discussion in the whole society. In addition to the most basic securi...

2017
Jungwoo Cho Myoungsoon You Yoonjin Yoon

In highly urbanized area where traffic condition fluctuates constantly, transportation infrastructure is one of the major contributing factors to Emergency Medical Service (EMS) availability and patient outcome. In this paper, we assess the impact of traffic fluctuation to the EMS first response availability in urban area, by evaluating the k-minute coverage under 21 traffic scenarios. The set ...

2006
Jan Přikryl

The traditional way of controlling urban traffic is using centralised control approaches: There is a single control centre where decisions are made about the traffic control in the whole urban area. Currently, this paradigm is shifting towards more decentralised hierarchical approaches with smaller control centres serving sub-regions of the intersection network in a city. The paper reviews poss...

 Comparative Study of Urban Traffic Management in Reducing Accidents in Tehran Using Analytic Hierarchy Process and Delphi Methods Mohammadreza Mehmandar 1, Mohammad Ariana 2 *, Ehsan Khalili 3, Tofigh Mobaderi 4 1 Faculty of Traffic Police, Amin Police University, Tehran, Iran 2 Tehran Traffic Police, Tehran, Iran 3 Department of Control, School of Electrical and Computer Engineering, Isfah...

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